Figure 8.

Responses of GO, GO-MS, and MS plants to high light treatment. Changes in the expression levels of selected H₂O₂-induced markers were analyzed by quantitative RT-PCR in 21-d-old plants grown under 75 μmol quanta m⁻² s⁻¹ (moderate light [ML]) and at ambient atmospheric CO₂ concentration (380 μL L⁻¹) and exposed for 6 h to 600 μmol quanta m⁻² s⁻¹ (high light [HL]) relative to control plants kept at 75 μmol quanta m⁻² s⁻¹. Data are means ± se of three individual experiments run in triplicate. Asterisks indicate that values are significantly different from those of the control MS plants as determined by Student's t test (P < 0.05).